cxl: Fix NULL dereference in cxl_context_init() on PowerVM guests

[linux-2.6-block.git] / drivers / misc / cxl / pci.c

diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c
index d152e2de8c9375e2760b03cd93857d542f9a36d4..1d0347c36e6dcf324ed5a320d5138a003e148134 100644 (file)
--- a/drivers/misc/cxl/pci.c
+++ b/drivers/misc/cxl/pci.c
@@ -1521,14 +1521,15 @@ static const struct cxl_service_layer_ops xsl_ops = {
        .write_timebase_ctrl = write_timebase_ctrl_xsl,
        .timebase_read = timebase_read_xsl,
        .capi_mode = OPAL_PHB_CAPI_MODE_DMA,
-       .min_pe = 1, /* Workaround for Mellanox CX4 HW bug */
 };
 
 static void set_sl_ops(struct cxl *adapter, struct pci_dev *dev)
 {
        if (dev->vendor == PCI_VENDOR_ID_MELLANOX && dev->device == 0x1013) {
+               /* Mellanox CX-4 */
                dev_info(&adapter->dev, "Device uses an XSL\n");
                adapter->native->sl_ops = &xsl_ops;
+               adapter->min_pe = 1; /* Workaround for CX-4 hardware bug */
        } else {
                dev_info(&adapter->dev, "Device uses a PSL\n");
                adapter->native->sl_ops = &psl_ops;